Indulge in a dessert that combines fudgy brownies with light, airy chocolate mousse for the ultimate treat. These Chocolate Mousse Brownies are rich, creamy, and irresistibly chocolatey, perfect for special occasions or whenever you crave a luxurious dessert. Each bite delivers a perfect balance of dense brownie and silky mousse, making it a crowd-pleaser for family gatherings or dinner parties.
Why You’ll Love This Recipe
- Fudgy, dense brownies topped with light, airy chocolate mousse
- Perfect for chocolate lovers and special occasions
- Can be prepared ahead for stress-free entertaining
- Beautiful presentation with minimal effort
- Pairs wonderfully with coffee, fresh berries, or a scoop of vanilla ice cream
- Naturally pork-free and family-friendly
Ingredients

For the Brownies
- Unsalted butter
- Semi-sweet chocolate, chopped
- Granulated sugar
- Eggs
- Vanilla extract
- All-purpose flour
- Cocoa powder
- Salt
For the Chocolate Mousse
- Semi-sweet chocolate
- Heavy cream
- Powdered sugar
- Vanilla extract
Optional Garnish
- Chocolate shavings, cocoa powder, or fresh berries
Step-by-Step Instructions

- Preheat oven to 350°F (175°C) and line a baking pan with parchment paper.
- Melt butter and chopped chocolate together until smooth. Allow to cool slightly.
- Whisk in sugar, eggs, and vanilla extract until fully combined.
- Sift in flour, cocoa powder, and salt, folding gently until just combined.
- Pour batter into the prepared pan and bake 25–30 minutes, or until a toothpick comes out with a few moist crumbs. Cool completely.
- Melt chocolate and let it cool slightly.
- Whip heavy cream with powdered sugar and vanilla until soft peaks form.
- Gently fold melted chocolate into whipped cream until smooth and fully combined.
- Spread or pipe mousse over cooled brownies.
- Garnish with chocolate shavings, cocoa powder, or fresh berries. Chill for at least 1 hour before serving.
Tips & Variations
- Make Ahead: Prepare brownies and mousse separately and assemble before serving.
- Alternative Chocolate: Use dark chocolate for a richer, less sweet version.
- Add Texture: Sprinkle crushed nuts or cookie crumbs between brownie and mousse layers.
- Mini Portions: Use a muffin tin for individual mousse brownie cups—perfect for parties.
- Vegan Option: Replace butter with plant-based alternative and use coconut cream for mousse.
Storage & Freezer Instructions
- Refrigerator: Store in an airtight container for up to 4 days. Keep chilled until serving for the mousse to maintain its texture.
- Freezer: Brownies can be frozen for up to 2 months, but mousse is best prepared fresh for optimal texture.
Serving & Pairing Ideas

- Serve with fresh raspberries or strawberries to cut the richness.
- Pair with vanilla ice cream or a dollop of whipped cream.
- Enjoy with a cup of espresso or rich hot chocolate for an indulgent experience.
- Dust lightly with cocoa powder or powdered sugar for elegant presentation.
Frequently Asked Questions
Can I make the brownies a day ahead?
Yes! Bake the brownies a day ahead and store at room temperature. Prepare mousse and assemble just before serving.
Can I use milk chocolate instead of semi-sweet chocolate?
Absolutely! Keep in mind the dessert will be sweeter and less intense in chocolate flavor.
How do I get the mousse light and fluffy?
Whip the cream until soft peaks form before folding in the melted chocolate. Fold gently to preserve the airy texture.
Can I make mini mousse brownies?
Yes! Use a muffin tin or mini dessert cups for individual portions—perfect for parties or gifts.
Ready to Make It?
These Chocolate Mousse Brownies are a decadent treat that everyone will love. Fudgy brownies topped with silky chocolate mousse create a dessert that’s both elegant and indulgent. Perfect for gatherings, celebrations, or any chocolate craving, save, share, and enjoy this luscious dessert!
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Chocolate Mousse Brownies
- Total Time: 55 minutes
- Yield: 12 servings
Description
Indulge in rich, fudgy brownies topped with light, airy chocolate mousse. These Chocolate Mousse Brownies are perfect for parties, special occasions, or whenever you crave a decadent dessert.
Ingredients
For the Brownies:
Unsalted butter
Semi-sweet chocolate, chopped
Granulated sugar
Eggs
Vanilla extract
All-purpose flour
Cocoa powder
Salt
For the Chocolate Mousse:
Semi-sweet chocolate
Heavy cream
Powdered sugar
Vanilla extract
Optional Garnish:
Chocolate shavings
Cocoa powder
Fresh berries
Instructions
1. Preheat oven to 350°F (175°C) and line a baking pan with parchment paper.
2. Melt butter and chopped chocolate together until smooth. Allow to cool slightly.
3. Whisk in sugar, eggs, and vanilla extract until fully combined.
4. Sift in flour, cocoa powder, and salt, folding gently until just combined.
5. Pour batter into prepared pan and bake 25–30 minutes or until a toothpick comes out with a few moist crumbs. Cool completely.
6. Melt chocolate for mousse and let cool slightly.
7. Whip heavy cream with powdered sugar and vanilla until soft peaks form.
8. Gently fold melted chocolate into whipped cream until smooth.
9. Spread or pipe mousse over cooled brownies. Garnish with chocolate shavings, cocoa powder, or fresh berries. Chill at least 1 hour before serving.
Notes
Make ahead: Prepare brownies and mousse separately and assemble before serving.
Use dark chocolate for a richer, less sweet dessert.
Add crushed nuts or cookie crumbs for texture.
Mini portions: Use muffin tin or dessert cups.
Vegan option: Use plant-based butter and coconut cream.
- Prep Time: 25 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 brownie
- Calories: 350
- Sugar: 28g
- Sodium: 150mg
- Fat: 20g
- Saturated Fat: 12g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 38g
- Fiber: 3g
- Protein: 5g
- Cholesterol: 90mg